参考文献

Bobkov, V. N.; Zvolinskaya, T. V.; Kuz'menko, I. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 11 p. 1317 - 1322 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 11 p. 1539 - 1545